Practice Question and Answer

Q: The probabilities that a student will receive an A, B, C or D grade are 0.4, 0.3 , 0.2 and 0.1 respectively. Find the probability that a student will receive Atleast B grade. 2388 0

  • 1
    0.21
    Correct
    Wrong
  • 2
    0.3
    Correct
    Wrong
  • 3
    0.7
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "0.7"
Explanation :

Answer: C) 0.7 Explanation: P(atleast B) = P( B or A) = P(B) + P(A) = (0.3) + (0.4) = 0.7

Q: Who wrote the social contract? 2388 0

  • 1
    Jean-Jacques Rousseau
    Correct
    Wrong
  • 2
    Immanuel Kant
    Correct
    Wrong
  • 3
    John Locke
    Correct
    Wrong
  • 4
    Voltaire
    Correct
    Wrong
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Answer : 1. "Jean-Jacques Rousseau"
Explanation :

Answer: A) Jean-Jacques Rousseau Explanation: Jean-Jacques Rousseau (1712–1778), in his influential 1762 treatise The Social Contract, outlined a different version of social contract theory, as the foundations of political rights based on unlimited popular sovereignty.

Q: 10 examples of computer hardware? 2388 0

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Answer :
Explanation :

A computer system consists of two major elements: hardware and software. Computer hardware is the collection of all the parts you can physically touch. Computer software, on the other hand, is not something you can touch. Software is a set of instructions for a computer to perform specific operations. You need both hardware and software for a computer system to work. 10 examples of computer hardware are :: 1. Monitor 2. Motherboard 3. CPU(Microprocessor)  4. Main memory(RAM) 5. Expansion cards  6. Power supply unit 7. Optical disc drive  8. Hard disk drive (HDD) 9. Keyboard 10. Mouse

Q:

Select the related word/letters/number from the given alternatives.
15 : 60 : : 11 : ?

2388 0

  • 1
    50
    Correct
    Wrong
  • 2
    44
    Correct
    Wrong
  • 3
    49
    Correct
    Wrong
  • 4
    46
    Correct
    Wrong
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Answer : 2. "44"

Q:

What is the SI unit of electric charge? 

2388 0

  • 1
    Volts
    Correct
    Wrong
  • 2
    Coulomb
    Correct
    Wrong
  • 3
    Kelvin
    Correct
    Wrong
  • 4
    Kilogram
    Correct
    Wrong
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Answer : 3. "Kelvin"

Q:

Who launched a pan-India number: 112 for Women Safety along with Minister for Women and Child Development Maneka Gandhi?

2388 1

  • 1
    Shri Rajnath Singh
    Correct
    Wrong
  • 2
    Smt Sushma Swaraj
    Correct
    Wrong
  • 3
    Shri Venkaiah Naidu
    Correct
    Wrong
  • 4
    Smt Nirmala Sitharaman
    Correct
    Wrong
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Answer : 1. "Shri Rajnath Singh"

Q:

The sum of 17 consecutive numbers is 289. The sum of another 10 consecutive numbers, whose first term is 5 more than the average of the first set of consecutive numbers is:

2388 0

  • 1
    300
    Correct
    Wrong
  • 2
    285
    Correct
    Wrong
  • 3
    315
    Correct
    Wrong
  • 4
    265
    Correct
    Wrong
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Answer : 4. "265"

Q:

Rohit purchased 12 kg of oranges for a total price of ₹480 and 18 kg of guavas at 30 per kg. What cost of the fruits purchased by Rohit?

2388 0

  • 1
    36.00
    Correct
    Wrong
  • 2
    34.00
    Correct
    Wrong
  • 3
    37.20
    Correct
    Wrong
  • 4
    38.20
    Correct
    Wrong
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Answer : 2. "34.00"

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